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Subject Topic: AutoComp for short barrel 30-30? Post ReplyPost New Topic
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JBailey
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Posted: 25 November 2017 at 8:57am | IP Logged Quote JBailey

Anyone have any information on trying
autocomp for a short barrel 30-30? I have
a youth model 336 Marlin with 16.5 in
barrel that I was hoping to use a faster
burning powder under a 125 gr bullet with
reduced recoil while hitting good speeds
with the faster burning rate. I'd
appreciate any info on established loads,
or a safe starting spot to work up a load.
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richhodg66
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Posted: 25 November 2017 at 3:17pm | IP Logged Quote richhodg66

I don't know much about Autocomp, but it seems like it's a pistol powder that burns a little slower than Unique and is supposedly a very fine granulation.

Light charges of pistol powder in rifle cases for reduced plinking or small game loads have been used for years and work great, but not all powders work well. Unique, Red Dot and such are good, particularly because they are bulky. I have used five grains of Bullseye behind a .32 round nose or SWC pistol bullet (cast) and it works very well. This is an excellent squirrel load and shoots one hole accurate at 25 yards and is quiet.

If you want to use such loads, I strongly recommend you get a copy of one of the Lyman cast bullet manuals. Even if you are using light weight jacketed bullets, it'll still give you an idea of where to start.

For what it's worth, I seriously doubt if you give up any significant velocities in a 16.5 inch barrel as opposed to a 20 or 22" barrel. The .30-30 just doesn't have a large case capacity and burns all it's going to burn before it hits the muzzle. For "hitting good speeds" I think your best bet is to stay with standard powders for the .30-30 like IMR 3031, IMR 4895 or Winchester 748.

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Ham Gunner
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Posted: 25 November 2017 at 5:06pm | IP Logged Quote Ham Gunner

From what little that I have read about Autocomp is that it is reportedly very dirty burning unless one loads it to the max. Plenty of complaints about it from the competition pistol shooters.

It's burning speed is right around HS-6/Win 340 speed and I guess that it needs a smaller capacity case in order to develop sufficient pressure to burn efficiently.

I would doubt that it would be useful in a 30-30 round.

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JBailey
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Posted: 25 November 2017 at 5:16pm | IP Logged Quote JBailey

Thanks, I've never used it, got it for
reloading .40SW down the line. I ended up
loading 32.5 gr of H4895 under the Sierra
125gr Spire Points. Looks like that
should have lower pressure but still
around 2200 fps. Need it good for deer
under 100 yds, but not making my kiddo gun
shy. Sound about right? Will be testing
it at the range tomorrow. My Lee FCD
didn't seem to grab it, had to crimp from
the top down.
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Old Ranger
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Posted: 25 November 2017 at 7:18pm | IP Logged Quote Old Ranger

Spire points!
Please tell me you're loading them one at a time in that
rifle and not in the magazine.

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richhodg66
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Posted: 25 November 2017 at 7:55pm | IP Logged Quote richhodg66

JBailey wrote:
Thanks, I've never used it, got it for
reloading .40SW down the line. I ended up
loading 32.5 gr of H4895 under the Sierra
125gr Spire Points. Looks like that
should have lower pressure but still
around 2200 fps. Need it good for deer
under 100 yds, but not making my kiddo gun
shy. Sound about right? Will be testing
it at the range tomorrow. My Lee FCD
didn't seem to grab it, had to crimp from
the top down.


Didn't realize you were looking for a kid friendly deer load. Take a look at this;

https://imrpowder.com/wp-content/uploads/2016/11/h4895-reduc ed-rifle-loads.pdf

My youngest son's first deer rifle was an H&R single shot in .30-30 and I used a similar loading for him. He graduated up to a .308 and I have used basically this same idea, 37 grains of either H4895 or IMR 4895 behind a 125 or 130 grain bullet. He's killed a few deer with such loads and they work fine.

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JBailey
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Posted: 25 November 2017 at 8:16pm | IP Logged Quote JBailey

Thanks, and yeah, Yosemite, just one in
mag, one in chamber, SPs not safe in the
tube mag beyond one. Kiddo would be lucky
to get a second shot off in the woods
anyway.
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JBailey
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Posted: 25 November 2017 at 8:22pm | IP Logged Quote JBailey

Rich, isn't 37gr about max load for H4895
in 30-30?
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richhodg66
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Posted: 25 November 2017 at 8:34pm | IP Logged Quote richhodg66

In .30-30, yes it is. I used that 37 grains in a .308, but the concept is still the same, that 60% loading capacity the article I posted mentions. I can't remember what the boy's .30-30 load was other than a 125 grain spire point. I probably used IMR 3031 for those anyway.

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JBailey
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Posted: 25 November 2017 at 9:04pm | IP Logged Quote JBailey

K, just wanted to make that clear to
anyone else reading 😉

I don't have 3031, would you think that
would be a better pickup vs BL-C2?

308 is a caliber recommended, was thinking
about a 6.5 creedmore or 25-06 for his
next gun, a few years down the road...
Seem pretty versatile. I mostly hunt with
7mm-08, but the Creed wasn't around back
when I got my BLR. 30-30 has been my go-
to woods round, though I have a love hate
relationship with a 444 as well... 😬

Edited by JBailey on 25 November 2017 at 9:10pm
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richhodg66
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Posted: 26 November 2017 at 3:49am | IP Logged Quote richhodg66

As easy as a .308 is to get good performance from and with the huge bullet selection .30s have, I think the .308 is definitely the way to go. Those deer loads I made up using 125 grain bullets and 4895 don't kick any more than a .243, yet, if need be, can be loaded up to considerably better power levels.

No experience loading BLC-2 in .30-30, but it seems like it would work. A quick glance at a recent Hornady manual gives data for BLC-2 in the .30-30 for all their selected bullets, though they do not have a 125 grain bullet. Starting data for the 110 is 32 grains and for the 150 is 30 grains, so I think you'd be good to go using that 150 grain data and working up carefully.

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